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ADP3303AR-3.3 PDF预览

ADP3303AR-3.3

更新时间: 2024-02-27 21:36:16
品牌 Logo 应用领域
罗彻斯特 - ROCHESTER 光电二极管输出元件调节器
页数 文件大小 规格书
9页 810K
描述
3.3 V FIXED POSITIVE LDO REGULATOR, 0.4 V DROPOUT, PDSO8, SOIC-8

ADP3303AR-3.3 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.67可调性:FIXED
最大回动电压 1:0.4 V标称回动电压 1:0.4 V
最大绝对输入电压:16 V最大输入电压:12 V
最小输入电压:3.8 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e0长度:4.9 mm
湿度敏感等级:1功能数量:1
输出次数:1端子数量:8
工作温度TJ-Max:125 °C工作温度TJ-Min:-20 °C
最高工作温度:85 °C最低工作温度:-20 °C
最大输出电流 1:0.2 A最大输出电压 1:3.3462 V
最小输出电压 1:3.2538 V标称输出电压 1:3.3 V
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE包装方法:TAPE AND REEL
峰值回流温度(摄氏度):240认证状态:Not Qualified
调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度:1.75 mm
子类别:Other Regulators表面贴装:YES
技术:BIPOLAR端子面层:Tin/Lead (Sn85Pb15)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
最大电压容差:1.4%宽度:3.9 mm
Base Number Matches:1

ADP3303AR-3.3 数据手册

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ADP3303  
MJE253*  
V
= 6V TO 8V  
V
= 5V @ 1A  
IN  
OUT  
OUT  
V
= 5.5V TO 12V  
IN  
V
= 5V/3.3V  
IN  
OUT  
R1  
50  
C1  
47F  
ADP3303-5.0  
OUTPUT SELECT  
5V  
SD  
0V  
GND  
IN  
OUT  
C2  
10F  
ADP3303-5  
OUT  
IN  
C1  
1.0F  
C2  
0.47F  
ADP3303-3.3  
ERR  
SD  
GND  
SD  
GND  
*AAVID531002 HEATSINK IS USED  
Figure 24. High Output Current Linear Regulator  
Figure 23. Crossover Switch  
Higher Output Current  
Constant Dropout Post Regulator  
The circuit in Figure 25 provides high precision with low drop-  
out for any regulated output voltage. It significantly reduces the  
ripple from a switching regulator while providing a constant  
dropout voltage, which limits the power dissipation of the LDO  
to 60 mW. The ADP3000 used in this circuit is a switching  
regulator in the step-up configuration.  
The ADP3303 can source up to 200 mA without any heatsink  
or pass transistor. If higher current is needed, an appropriate  
pass transistor can be used, as in Figure 24, to increase the  
output current to 1 A.  
D1  
1N5817  
L1  
6.8H  
ADP3303-3.3  
3.3V @ 160mA  
V
= 2.5V TO 3.5V  
IN  
OUT  
IN  
C1  
100F  
10V  
R1  
C2  
100F  
10V  
SD  
GND  
C3  
2.2F  
120⍀  
R2  
30.1k⍀  
1%  
I
V
LIM  
IN  
SW1  
Q1  
2N3906  
Q2  
2N3906  
ADP3000-ADJ  
FB  
GND  
SW2  
R3  
R4  
274k⍀  
124k⍀  
1%  
Figure 25. Constant Dropout Post Regulator  
OUTLINE DIMENSIONS  
Dimensions shown in inches and (mm).  
8-Lead Small Outline IC  
(SO-8)  
0.1968 (5.00)  
0.1890 (4.80)  
8
1
5
4
0.1574 (4.00)  
0.1497 (3.80)  
0.2440 (6.20)  
0.2284 (5.80)  
PIN 1  
0.0688 (1.75)  
0.0532 (1.35)  
0.0196 (0.50)  
0.0099 (0.25)  
x 45°  
0.0098 (0.25)  
0.0040 (0.10)  
8°  
0°  
0.0500  
(1.27)  
BSC  
0.0192 (0.49)  
0.0138 (0.35)  
SEATING  
PLANE  
0.0098 (0.25)  
0.0075 (0.19)  
0.0500 (1.27)  
0.0160 (0.41)  
–8–  
REV. A  

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